\documentclass[11pt]{article}
\input{Qcircuit}
\thispagestyle{empty}
\begin{document}
\begin{align*}
 \Qcircuit @C=1em @R=.7em {
   \lstick{|\psi\rangle} & \ctrl{3} & \ctrl{6} & \gate{H} & \ctrl{1} & \ctrl{2} & \multigate{8}{E} & \ctrl{1} & \ctrl{2} & \targ     & \gate{H} & \ctrl{3} & \ctrl{6} & \targ     & \rstick{\ket{\psi}} \qw\\
   \lstick{\ket{0}}      & \qw      & \qw      & \qw      & \targ    & \qw      & \ghost{E}        & \targ    & \qw      & \ctrl{-1} & \qw      & \qw      & \qw      & \qw       & \qw \\
   \lstick{\ket{0}}      & \qw      & \qw      & \qw      & \qw      & \targ    & \ghost{E}        & \qw      & \targ    & \ctrl{-2} & \qw      & \qw      & \qw      & \qw       & \qw \\
   \lstick{\ket{0}}      & \targ    & \qw      & \gate{H} & \ctrl{1} & \ctrl{2} & \ghost{E}        & \ctrl{1} & \ctrl{2} & \targ     & \gate{H} & \targ    & \qw      & \ctrl{-3} & \qw \\
   \lstick{\ket{0}}      & \qw      & \qw      & \qw      & \targ    & \qw      & \ghost{E}        & \targ    & \qw      & \ctrl{-1} & \qw      & \qw      & \qw      & \qw       & \qw \\
   \lstick{\ket{0}}      & \qw      & \qw      & \qw      & \qw      & \targ    & \ghost{E}        & \qw      & \targ    & \ctrl{-2} & \qw      & \qw      & \qw      & \qw       & \qw \\
   \lstick{\ket{0}}      & \qw      & \targ    & \gate{H} & \ctrl{1} & \ctrl{2} & \ghost{E}        & \ctrl{1} & \ctrl{2} & \targ     & \gate{H} & \qw      & \targ    & \ctrl{-6} & \qw \\
   \lstick{\ket{0}}      & \qw      & \qw      & \qw      & \targ    & \qw      & \ghost{E}        & \targ    & \qw      & \ctrl{-1} & \qw      & \qw      & \qw      & \qw       & \qw \\
   \lstick{\ket{0}}      & \qw      & \qw      & \qw      & \qw      & \targ    & \ghost{E}        & \qw      & \targ    & \ctrl{-2} & \qw      & \qw      & \qw      & \qw       & \qw
 }
\end{align*}
\end{document}