@misc{cryptoeprint:2018:877, author = {Behzad Abdolmaleki and Helger Lipmaa and Janno Siim and Micha{\l} Zaj\k{a}c}, title = {On QA-NIZK in the BPK Model}, howpublished = {Cryptology ePrint Archive, Report 2018/877}, year = {2018}, url = {https://eprint.iacr.org/2018/877}, }