Cryptology ePrint Archive: BibTeX Citation of Report 2013/507

@misc{cryptoeprint:2013:507,
    author = {Eli Ben-Sasson and Alessandro Chiesa and Daniel Genkin and Eran Tromer and Madars Virza},
    title = {SNARKs for C: Verifying Program Executions Succinctly and in Zero Knowledge},
    howpublished = {Cryptology ePrint Archive, Report 2013/507},
    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.