@misc{cryptoeprint:2014:820,
    author = {Michael Backes and Ozgur Dagdelen and Marc Fischlin and Sebastian Gajek and Sebastian Meiser and Dominique Schröder},
    title = {Operational Signature Schemes},
    howpublished = {Cryptology ePrint Archive, Report 2014/820},
    year = {2014},
    url = {https://eprint.iacr.org/2014/820},
}