Cryptology ePrint Archive: BibTeX Citation of Report 2013/502

@misc{cryptoeprint:2013:502,
    author = {Santanu Sarkar and Sourav Sen Gupta and Goutam Paul and Subhamoy Maitra},
    title = {Proving TLS-attack related open biases of RC4},
    howpublished = {Cryptology ePrint Archive, Report 2013/502},
    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.