Granger, Robert2016-01-202016-01-202016-01-202014https://infoscience.epfl.ch/handle/20.500.14299/122428Breaking `128-bit Secure' Supersingular Binary Curves (or how to solve discrete logarithms in ${\mathbb F}_{2^{4 \cdot 1223}}$ and ${\mathbb F}_{2^{12 \cdot 367}}$)text::conference output::conference presentation