Shiva Purana
आद्येन ब्रह्मणा साक्षात्सृष्टः स्रष्टा च तस्य तु ॥ अंडस्यांतर्बहिर्वर्ती विष्णुर्लोकद्वयाधिपः ॥ १२९ ॥
He was directly created by the original Brahman and is the creator of that universe. Vishnu, the lord of the two worlds, is situated inside and outside the egg.
english translation
Adyena brahmaNA sAkSAtsRSTaH sraSTA ca tasya tu ॥ aMDasyAMtarbahirvartI viSNurlokadvayAdhipaH ॥ 129 ॥
hk transliteration by Sanscript