@misc{cryptoeprint:2016:538,
    author = {Carsten Baum and Ivan Damgård and Kasper Larsen and Michael Nielsen},
    title = {How to prove knowledge of small secrets},
    howpublished = {Cryptology ePrint Archive, Report 2016/538},
    year = {2016},
    url = {https://eprint.iacr.org/2016/538},
}