Cryptology ePrint Archive: BibTeX Citation of Report 2014/384

@misc{cryptoeprint:2014:384,
    author = {Dima Grigoriev and Vladimir Shpilrain},
    title = {Yao's millionaires' problem and decoy-based public key encryption by classical physics},
    howpublished = {Cryptology ePrint Archive, Report 2014/384},
    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.