أَعُوذُ بِاللهِ مِنَ الشَّيْطَانِ الرَّجِيمِ
Translation
I seek refuge with Allah from the accursed devil (shaytaan).
Transliteration
a‛oodhu billaahi minash-shayṭaanir-rajeem
Sources: Bukhari No# 3282, 6048, 6115; Muslim No# 2610; Abu Dawud No# 4780, 4781