Cryptology ePrint Archive: BibTeX Citation of Report 2012/475

@misc{cryptoeprint:2012:475,
    author = {David Bernhard and Georg Fuchsbauer and Essam Ghadafi},
    title = {Efficient Signatures of Knowledge  and DAA in the Standard Model},
    howpublished = {Cryptology ePrint Archive, Report 2012/475},
    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.