Sahih Bukhari Volume 2, Book 13, Hadith Number 16

Narated By Abu Huraira : The Prophet used to recite the following in the Fajr prayer of Friday, “Alif, Lam, Mim, Tanzil” (Surat-as-Sajda #32) and “Hal-ata-ala-l-Insani” (i.e. Surah-Ad-Dahr #76).