It is narrated from Sayyiduna Abdullah bin Mas'ud (may Allah be pleased with him) that Sayyiduna Abu Bakr and Sayyiduna Umar (may Allah be pleased with them both) gave him the glad tiding that the Prophet (peace and blessings be upon him) said: "Whoever would love to recite the Qur'an just as it was revealed, let him recite it according to the recitation of Ibn Mas'ud."
Hadith Referenceالمعجم الكبير للطبراني / باب العين / 8391