Shiva Purana
ब्रह्महत्यासहस्राणि पुरा कृत्वा तु पुल्कसः ॥ शिवेति नाम विमलं श्रुत्वा मोक्षं गतः पुरा ॥ ५३ ॥
Formerly Pulkaśa committed thousands of murders of Brahmins but on hearing the sacred name Śiva, he attained salvation.
english translation
brahmahatyAsahasrANi purA kRtvA tu pulkasaH ॥ ziveti nAma vimalaM zrutvA mokSaM gataH purA ॥ 53 ॥
hk transliteration by Sanscript