updated README.md

README.md

@@ -181,7 +181,7 @@ The distance measure in parentheses.
 | **EADEN**<br />(L1, L2) | EAD: Elastic-Net Attacks to Deep Neural Networks ([Chen, Pin-Yu, et al., 2018](https://arxiv.org/abs/1709.04114))                 | :heart_eyes: Contributor [Riko Naka](https://github.com/rikonaka)                               |
 | **PIFGSM (PIM)**<br />(Linf) | Patch-wise Attack for Fooling Deep Neural Network ([Gao, Lianli, et al., 2020](https://arxiv.org/abs/2007.06765))                 | :heart_eyes: Contributor [Riko Naka](https://github.com/rikonaka)                               |
 | **PIFGSM++ (PIM++)**<br />(Linf) | Patch-wise++ Perturbation for Adversarial Targeted Attacks ([Gao, Lianli, et al., 2021](https://arxiv.org/abs/2012.15503))                 | :heart_eyes: Contributor [Riko Naka](https://github.com/rikonaka)                               |
-
+| **FMN**<br />(Linf, L2, L1, L0)  | Fast Minimum-norm Adversarial Attacks through Adaptive Norm Constraints ([Pintor, et al., 2021](https://arxiv.org/abs/2102.12827))                       | :heart_eyes: Contributors [Luca Scionis](https://github.com/lucascionis), [Raffaele Mura](https://github.com/rmura498), [Giuseppe Floris](https://github.com/GGiiuusseeppee) |
 
 
 ## :bar_chart: Performance Comparison