Cryptology ePrint Archive: BibTeX Citation of Report 2013/377

@misc{cryptoeprint:2013:377,
    author = {Alex Escala and Gottfried Herold and Eike Kiltz and Carla Ràfols and Jorge Villar },
    title = {An Algebraic Framework for Diffie-Hellman Assumptions},
    howpublished = {Cryptology ePrint Archive, Report 2013/377},
    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.