Cryptology ePrint Archive: BibTeX Citation of Report 2008/049

@misc{cryptoeprint:2008:049,
    author = {Yehuda Lindell and Benny Pinkas},
    title = {An Efficient Protocol for Secure Two-Party Computation in the Presence of Malicious Adversaries},
    howpublished = {Cryptology ePrint Archive, Report 2008/049},
    year = {2008},
    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.