Shiva Purana
वीरेश्वरम्महालिंगमब्दमभ्यर्च्य भक्तितः ॥ आयुर्मनोरथं सर्वं पुत्रादिकमनेकशः ॥ २९ ॥
If any one worships the Vīreśvara phallic image for a year with great devotion he obtains longevity, cherished desires, sons and other things.
english translation
vIrezvarammahAliMgamabdamabhyarcya bhaktitaH ॥ AyurmanorathaM sarvaM putrAdikamanekazaH ॥ 29 ॥
hk transliteration by Sanscript