Alkim, E., Cheng, D. Y.-L., Chung, C.-M. M., Evkan, H., Huang, L. W.-L., Hwang, V., Li, C.-L. T., Niederhagen, R., Shih, C.-J., Wälde, J., & Yang, B.-Y. (2020). Polynomial Multiplication in NTRU Prime: Comparison of Optimization Strategies on Cortex-M4. IACR Transactions on Cryptographic Hardware and Embedded Systems, 2021(1), 217-238. https://doi.org/10.46586/tches.v2021.i1.217-238