@misc{cryptoeprint:2019:333,
    author = {Helger Lipmaa},
    title = {Key-and-Argument-Updatable QA-NIZKs},
    howpublished = {Cryptology ePrint Archive, Report 2019/333},
    year = {2019},
    url = {https://eprint.iacr.org/2019/333},
}