Cryptology ePrint Archive: BibTeX Citation of Report 2014/302

@misc{cryptoeprint:2014:302,
    author = {Maria Eichlseder and Florian Mendel and Martin Schläffer},
    title = {Branching Heuristics in Differential Collision Search with Applications to SHA-512},
    howpublished = {Cryptology ePrint Archive, Report 2014/302},
    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.