Zhu, Danyang, Rongrong Zhang, Lun Ou, Jing Tian, and Zhongfeng Wang. “Low-Latency Design and Implementation of the Squaring in Class Groups for Verifiable Delay Function Using Redundant Representation”. IACR Transactions on Cryptographic Hardware and Embedded Systems 2023, no. 1 (November 29, 2022): 438–462. Accessed January 28, 2023. https://tches.iacr.org/index.php/TCHES/article/view/9958.