Faster NTRU-based Bootstrapping in less than 4 ms. - Zhihao Li 001; Xianhui Lu; Zhiwei Wang; Ruida Wang; Ying Liu; Yinhang Zheng; Lutan Zhao; Kunpeng Wang 001; Rui Hou 001 (IACR Trans. Cryptogr. Hardw. Embed. Syst., 2024)