Cryptology ePrint Archive: BibTeX Citation of Report 2014/501

@misc{cryptoeprint:2014:501,
    author = {Markku--Juhani O. Saarinen and Billy Bob Brumley},
    title = {WHIRLBOB, the Whirlpool based Variant of STRIBOB: Lighter, Faster, and Constant Time},
    howpublished = {Cryptology ePrint Archive, Report 2014/501},
    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.