A data generating device may comprise a data identifying unit, a number identifying unit and a hyperlink structuring unit. The data identifying unit may identify the data of the contents table page and/or the index page included in data including a contents table page and/or an index page, and data of a plurality of normal pages, each normal page including a page number. The number identifying unit may identify a number included in the data of the contents table page and/or the index page, and identify a specific position at which the identified number is located. The hyperlink structuring unit may generate data of hyperlink structure from the data by generating a hyperlink, at a position corresponding to the specific position of the number identified by the number identifying unit, that links to data of a normal page coinciding with the page number identified by the number identifying unit.