ENOfficial
Bismillāhi waṣṣalātu wassalāmu 'alā Rasūlillāhi, Allāhumma 'innī 'as'aluka min faḍlika, Allāhumma`ṣimnī min ash-shaytānir-rajīm. In the Name of Allah, and peace and blessings be upon the Messenger of Allah. O Allah, I ask for Your favor, O Allah, protect me from Satan the outcast. Reference: ibid.
Source: sunnah.com
Other translations
Arabic
بِسمِ الله وَالصّلاةُ وَالسّلامُ عَلى رَسولِ الله، اللّهُـمَّ إِنّـي أَسْأَلُكَ مِـنْ فَضْـلِك، اللّهُـمَّ اعصِمْنـي مِنَ الشَّيْـطانِ الرَّجـيم
sunnah.com