Cryptology ePrint Archive: BibTeX Citation of Report 2011/004

@misc{cryptoeprint:2011:004,
    author = {Gaetan Bisson and Andrew V. Sutherland},
    title = {A low-memory algorithm for finding short product representations in finite groups},
    howpublished = {Cryptology ePrint Archive, Report 2011/004},
    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.