Cryptology ePrint Archive: BibTeX Citation of Report 2011/257

@misc{cryptoeprint:2011:257,
    author = {Seung Geol Choi and Kyung-Wook Hwang and Jonathan Katz and Tal Malkin and Dan Rubenstein},
    title = {Secure Multi-Party Computation of Boolean Circuits with Applications to Privacy in On-Line Marketplaces},
    howpublished = {Cryptology ePrint Archive, Report 2011/257},
    year = {2011},
    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.