Cryptology ePrint Archive: BibTeX Citation of Report 2011/560

@misc{cryptoeprint:2011:560,
    author = {Ching-Hua Yu  and Bo-Yin Yang},
    title = {Randomized Secure Two-Party Computation for Modular Conversion, Zero Test, Comparison, MOD and Exponentiation},
    howpublished = {Cryptology ePrint Archive, Report 2011/560},
    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.