Cryptology ePrint Archive: BibTeX Citation of Report 2011/294

@misc{cryptoeprint:2011:294,
    author = {Albrecht Petzoldt and Enrico Thomae and Stanislav Bulygin and Christopher Wolf},
    title = {Small Public Keys and Fast Verification for Multivariate Quadratic Public Key Systems},
    howpublished = {Cryptology ePrint Archive, Report 2011/294},
    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.