Cryptology ePrint Archive: BibTeX Citation of Report 2014/296

@misc{cryptoeprint:2014:296,
    author = {Andris Ambainis and Ansis Rosmanis and Dominique Unruh},
    title = {Quantum Attacks on Classical Proof Systems - The Hardness of Quantum Rewinding},
    howpublished = {Cryptology ePrint Archive, Report 2014/296},
    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.