@misc{cryptoeprint:2021:181,
    author = {Jesus Diaz and Anja Lehmann},
    title = {Group Signatures with User-Controlled and Sequential Linkability},
    howpublished = {Cryptology ePrint Archive, Report 2021/181},
    year = {2021},
    url = {https://eprint.iacr.org/2021/181},
}