Alkim, E. et al. 2020. Polynomial Multiplication in NTRU Prime: Comparison of Optimization Strategies on Cortex-M4. IACR Transactions on Cryptographic Hardware and Embedded Systems. 2021, 1 (Dec. 2020), 217–238. DOI:https://doi.org/10.46586/tches.v2021.i1.217-238.