Cryptology ePrint Archive: BibTeX Citation of Report 2015/914

@misc{cryptoeprint:2015:914,
    author = {Benjamin Dowling and Marc Fischlin and Felix Günther and Douglas Stebila},
    title = {A Cryptographic Analysis of the TLS 1.3 Handshake Protocol Candidates},
    howpublished = {Cryptology ePrint Archive, Report 2015/914},
    year = {2015},
    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.