Cryptology ePrint Archive: BibTeX Citation of Report 2012/721

@misc{cryptoeprint:2012:721,
    author = {Prabhanjan Ananth and Raghav Bhaskar and Vipul Goyal and Vanishree Rao},
    title = {On the (In)security of Fischlin's Paradigm},
    howpublished = {Cryptology ePrint Archive, Report 2012/721},
    year = {2012},
    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.