Cryptology ePrint Archive: BibTeX Citation of Report 2011/383

@misc{cryptoeprint:2011:383,
    author = {Stefan Maubach},
    title = {A representation of the $p$-sylow subgroup of $\perm(\F_p^n)$ and  a cryptographic application},
    howpublished = {Cryptology ePrint Archive, Report 2011/383},
    year = {2011},
    note = {\url{http://eprint.iacr.org/}},
}

You will need the url.sty package (comes with most LaTeX installations) for the last line. Otherwise, remove the \url command.