Cryptology ePrint Archive: BibTeX Citation of Report 2012/642

@misc{cryptoeprint:2012:642,
    author = {Ivan Damgard and Marcel Keller and Enrique Larraia and Valerio Pastro and Peter Scholl and Nigel P. Smart},
    title = {Practical Covertly Secure MPC for Dishonest Majority – or: Breaking the SPDZ Limits},
    howpublished = {Cryptology ePrint Archive, Report 2012/642},
    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.