Cryptology ePrint Archive: BibTeX Citation of Report 2014/390

@misc{cryptoeprint:2014:390,
    author = {Vipul Goyal and Rafail Ostrovsky and Alessandra Scafuro and Ivan Visconti},
    title = {Black-Box Non-Black-Box Zero Knowledge},
    howpublished = {Cryptology ePrint Archive, Report 2014/390},
    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.