Cryptology ePrint Archive: BibTeX Citation of Report 2014/814

@misc{cryptoeprint:2014:814,
    author = {Lisa Bromberg and Vladimir Shpilrain and Alina Vdovina},
    title = {Navigating in the Cayley graph of $SL_2(F_p)$ and applications to hashing},
    howpublished = {Cryptology ePrint Archive, Report 2014/814},
    year = {2014},
    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.