RFC Errata
RFC 8032, "Edwards-Curve Digital Signature Algorithm (EdDSA)", January 2017
Source of RFC: IRTF
Errata ID: 5759
Status: Reported
Type: Technical
Publication Format(s) : TEXT
Reported By: Franck Rondepierre
Date Reported: 2019-06-21
Section 5.2.3 says:
(p+1)/4 3 (p-3)/4 x = (u/v) = u v (u^5 v^3) (mod p)
It should say:
(p+1)/4 (p-3)/4 x = (u/v) = u (u v) (mod p)