Cryptology ePrint Archive: BibTeX Citation of Report 2013/788

@misc{cryptoeprint:2013:788,
    author = {Zhengjun Cao and Lihua Liu},
    title = {Improvement of Lin-Tzeng Solution to Yao's Millionaires Problem and Its Cheating Advantage Analysis},
    howpublished = {Cryptology ePrint Archive, Report 2013/788},
    year = {2013},
    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.