Cryptology ePrint Archive: BibTeX Citation of Report 2013/874

@misc{cryptoeprint:2013:874,
    author = {Akinori Kawachi and Yoshio Okamoto and Keisuke Tanaka and Kenji Yasunaga},
    title = {General Constructions of Rational Secret Sharing with Expected Constant-Round Reconstruction},
    howpublished = {Cryptology ePrint Archive, Report 2013/874},
    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.