Cryptology ePrint Archive: BibTeX Citation of Report 2014/795

@misc{cryptoeprint:2014:795,
    author = {Daniel J. Bernstein and Daira Hopwood and Andreas Hülsing and Tanja Lange and Ruben Niederhagen and Louiza Papachristodoulou and Michael Schneider and Peter Schwabe and Zooko Wilcox-O'Hearn},
    title = {SPHINCS: practical stateless hash-based signatures},
    howpublished = {Cryptology ePrint Archive, Report 2014/795},
    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.