اللَّهُمَّ اجْعَلْنِي مِنْ أَهْلِ قِيَامِ لَيْلِ رَمَضَانَ، وَاغْفِرْ لِي وَرَحْمْنِي

Transliteration:

"Allahumma ajilni min ahlil qiyami laylil Ramadan, waghfir li wa rahmni."

Translation:

"O Allah, make me among those who stand in prayer during the nights of Ramadan, and forgive me and have mercy on me."