Man pages matching name math::prime::util::ecprojectivepoint in section 3pm:

Math::Prime::Util::ECProjectivePoint.3pm.en	debian 10 / libmath-prime-util-perl
Math::Prime::Util::ECProjectivePoint.3pm.en	debian 11 / libmath-prime-util-perl
Math::Prime::Util::ECProjectivePoint.3pm.en	debian 12 / libmath-prime-util-perl