Cryptology ePrint Archive: BibTeX Citation of Report 2012/693

@misc{cryptoeprint:2012:693,
    author = {Benny Applebaum and Yuval Ishai and Eyal Kushilevitz and Brent Waters},
    title = {Encoding Functions with Constant Online Rate or How to Compress Garbled Circuits Keys},
    howpublished = {Cryptology ePrint Archive, Report 2012/693},
    year = {2012},
    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.