Shiva Purana
पुरा देवासुराः सर्वे जरामृत्युभयार्दिताः ॥ परस्परं च संधाय रत्नान्यादित्सवोऽभवन् ॥ २ ॥
Formerly all the gods and Asuras, distressed by the fear of old age and death made alliance with each other and became desirous of taking gems from the ocean.
english translation
purA devAsurAH sarve jarAmRtyubhayArditAH ॥ parasparaM ca saMdhAya ratnAnyAditsavo'bhavan ॥ 2 ॥
hk transliteration by Sanscript