Cryptology ePrint Archive: BibTeX Citation of Report 2012/279

@misc{cryptoeprint:2012:279,
    author = {Vipul Goyal and Abhishek Jain and Rafail Ostrovsky and Silas Richelson and Ivan Visconti},
    title = {Concurrent Zero Knowledge in the Bounded Player Model},
    howpublished = {Cryptology ePrint Archive, Report 2012/279},
    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.